body,ul,ol,li,p,h1,h2,h3,h4,h5,h6,form,fieldset,table,td,img,div,input{
    margin:0;
    padding:0;
    border:0;
  }
  html{
    height: 100%; 
  }
  ul, ol{
    list-style-type: none;
  }
  select, input, img, select{
    vertical-align: middle;
  }
  a{
    color: inherit;
  }
  a:hover, a:visited, a:link, a:active {
    color: inherit;
}
  body{
    width: 100%;
    height: 100%;
    font-size: 14px;
    font-family: MicrosoftYaHei;   
    line-height: 1;
    color: #A4A4AA;
    display: flex;
    flex-direction: column;
  }